CellWell record HH-78479
A toxic burden in Ningbo, Zhejiang Province: elevated heavy metal concentrations in sanitation workers
Zhen Li; Li Wang; Keye Xu; Yanyan Lu; Dandan Zhang
2026
In plain language
Among 102 sanitation workers versus 50 controls in Ningbo, serum, urine and blood heavy metals were higher, with drivers showing blood arsenic 8.70, cadmium 3.62 and lead 16.71 micrograms per litre, all below biological exposure indices.
- Evidence
- Emerging
Cite this record: https://thecellwell.org/studies/HH-78479
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